CollectionsApi.post - handle null id correctly
CollectionsApi.post - handle null id correctly

ManageIQ/manageiq-ui-self_service,AllenBW/manageiq-ui-service,ManageIQ/manageiq-ui-service,ManageIQ/manageiq-ui-self_service,ManageIQ/manageiq-ui-service,dtaylor113/manageiq-ui-self_service,dtaylor113/manageiq-ui-self_service,ManageIQ/manageiq-ui-service,AllenBW/manageiq-ui-service,AllenBW/manageiq-ui-service,dtaylor113/manageiq-ui-self_service,AllenBW/manageiq-ui-service,ManageIQ/manageiq-ui-self_service